Did someone ever notice the strange noise the motor makes? Maybe just mine... On track it sounds like a mix of a combustion and electric motor. I checked everything: ball bearings are ok, gear mesh and pinion are ok, too. If I change the motor the car sounds like every other 1/10 TC. Power and temperature are ok. Maybe there is a resonance with the 7.5t sonic just with the TC6?

Did someone ever notice the strange noise the motor makes? Maybe just mine... On track it sounds like a mix of a combustion and electric motor. I checked everything: ball bearings are ok, gear mesh and pinion are ok, too. If I change the motor the car sounds like every other 1/10 TC. Power and temperature are ok. Maybe there is a resonance with the 7.5t sonic just with the TC6?

Yes I know what you mean...one of the local racers has one that is kinda loud. I have five or six Reedy motors and none of them sound like his. Not sure what it is, but his certainly sounds different then mine. Still performs fine, but it is kinda loud.

Sean, or any....Just picked up the 17.5 Reedy to run in 1/10 TC in blinky mode. Is this still a good starting point or has more testing been done? If so, where should we start? Thanks in advance.

Quote:

Originally Posted by wingracer

I'm a different Sean but I would say that sounds in the ballpark. As I was discussing earlier, you might want to measure your rotor to see what you actually have.

Quote:

Originally Posted by geeunit1014

Thats fine to start. I like to run a little more timing (40*) on that same gear though.

Update, I ran my TC 6 17.5 blinky this weekend. I had 3.89 FDR and started out at 36 degrees in practice and first heat. I didnt get a chance to temp it because of tech impound. Felt a little slow so I went ahead and bumped it up to 40 degrees for the next heat. Yes it was fast, but it came off the track after 6 minutes at 212F Backed it down to 38 degrees and it ran cooler, but not as fast as I wanted. Will find the sweetspot at some point.

Did someone ever notice the strange noise the motor makes? Maybe just mine... On track it sounds like a mix of a combustion and electric motor. I checked everything: ball bearings are ok, gear mesh and pinion are ok, too. If I change the motor the car sounds like every other 1/10 TC. Power and temperature are ok. Maybe there is a resonance with the 7.5t sonic just with the TC6?

Check to see if either the rear bearing housing or the rotor is tweaked. Loosen the 3 screws that hold the motor together slightly and roll the motor, you will see the can wobble if this is the case

Update, I ran my TC 6 17.5 blinky this weekend. I had 3.89 FDR and started out at 36 degrees in practice and first heat. I didnt get a chance to temp it because of tech impound. Felt a little slow so I went ahead and bumped it up to 40 degrees for the next heat. Yes it was fast, but it came off the track after 6 minutes at 212F Backed it down to 38 degrees and it ran cooler, but not as fast as I wanted. Will find the sweetspot at some point.

Last weekend was appallingly hot. Our motors were coming off the track @ 180F in 12th scale(17.5 non-timing). For reference, I have never had my 17.5 Reedy above 135F in 12th before.

I would have been very surprised to see any of the competitive 17.5 Sedans come off the track under 200F out there, fan or no fan. When the track temp is 150F+, the motors get toasty.

Sean, or any....Just picked up the 17.5 Reedy to run in 1/10 TC in blinky mode. Is this still a good starting point or has more testing been done? If so, where should we start? Thanks in advance.

Update, I ran my TC 6 17.5 blinky this weekend. I had 3.89 FDR and started out at 36 degrees in practice and first heat. I didnt get a chance to temp it because of tech impound. Felt a little slow so I went ahead and bumped it up to 40 degrees for the next heat. Yes it was fast, but it came off the track after 6 minutes at 212F Backed it down to 38 degrees and it ran cooler, but not as fast as I wanted. Will find the sweetspot at some point.

Yes, and as James said, it was hot out, that day. Ambient 102, track between 140-150. Yes fans on both ESC and motor.

A better fan will get you another 10-20* off the motor, integy fan/heatsink combos aren't really that effective, and that heatsink may be hurting you. I would suggest a side piece racing seis fan. If you can, try to get a baseline in more ideal conditions, as james said there's pretty much no way your gonna be under 200 with those conditions. If you have a setup that runs 170-180 when its more ideal, then its not such a big issue if you get over 200 when the conditions get hot.